Bluewater Auto Charging Relay 12V - 140 AMP [9800-7101-00]

Bluewater Auto Charging Relay 12V - 140 AMP [9800-7101-00]

$77.91 USD
Sale price  $77.91 USD Regular price  $0.00 USD
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Bluewater Auto Charging Relay 12V - 140 AMP [9800-7101-00]

Bluewater Auto Charging Relay 12V - 140 AMP [9800-7101-00]

$77.91 USD
Sale price  $77.91 USD Regular price  $0.00 USD
Product Details

Auto Charging Relay 12V - 140 AMP

The automatic charging relay (ACR) automatically manages battery charging to ensure maximum efficiency and protect your batteries.

Features:

  • Automatic battery management – connects batteries during charging and isolates them when the voltage drops
  • Start Isolation (SI) – protects sensitive electronics during engine cranking by temporarily disconnecting house loads (indicated by a slow-flashing yellow LED)
  • High-output support – compatible with alternators up to 120 A
  • Dual-color LEDs – provide real-time battery status: Fault, Charging, Discharging, Combine, SI, and Override modes
  • Under Voltage Lockout – prevents the relay from closing when battery voltage is too low (9.5V for 12V systems, 19V for 24V systems)
  • Durable design – IP67 waterproof, ignition protected, safe for marine and RV applications

Specifications:

  • Continuous Rating: 120 Amps
  • Intermittent Rating: 140 Amps
  • Max Voltage: 48VDC
  • Cable Size: 4/0 AWG

Applications:

  • Boats – dual battery systems (starter + house)
  • Sailboats – navigation and lighting batteries
  • Fishing boats – trolling motor and accessory battery protection

Specifications:

  • Continuous Amperage: 120
  • Box Dimensions: 3"H x 6"W x 9"L WT: 0.85 lbs
  • UPC: 810196331235

Quick Guide (pdf)
Care & Maintenance

To maintain the beauty and integrity of your purchase, we recommend treating it with care. Simple maintenance practices, such as gentle washing and proper storage, can effectively preserve the longevity of your favorites. We encourage you to refer to the care instructions included with each item, designed to help you keep your purchase in top condition.

Size & Fit

Our products are crafted to fit true to size, ensuring that you can confidently select your usual size with ease. Whether you’re looking for a relaxed or tailored fit, our designs are made to complement your unique shape and style.

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